853611992 has 16 divisors (see below), whose sum is σ = 1604819040. Its totient is φ = 425660256.

The previous prime is 853611991. The next prime is 853612003. The reversal of 853611992 is 299116358.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853611991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140048 + ... + 146015.

It is an arithmetic number, because the mean of its divisors is an integer number (100301190).

Almost surely, 2^853611992 is an apocalyptic number.

It is an amenable number.

853611992 is a deficient number, since it is larger than the sum of its proper divisors (751207048).

853611992 is a wasteful number, since it uses less digits than its factorization.

853611992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286442 (or 286438 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 853611992 is about 29216.6389579637. The cubic root of 853611992 is about 948.6081157053.

The spelling of 853611992 in words is "eight hundred fifty-three million, six hundred eleven thousand, nine hundred ninety-two".